/* * Linux cfg80211 driver * * Copyright (C) 1999-2011, Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the * following added to such license: * * As a special exception, the copyright holders of this software give you * permission to link this software with independent modules, and to copy and * distribute the resulting executable under terms of your choice, provided that * you also meet, for each linked independent module, the terms and conditions of * the license of that module. An independent module is a module which is not * derived from this software. The special exception does not apply to any * modifications of the software. * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * * $Id: wl_cfg80211.h,v 1.1.4.1.2.8 2011/02/09 01:37:52 Exp $ */ #ifndef _wl_cfg80211_h_ #define _wl_cfg80211_h_ #include #include #include #include #include #include #include #include struct wl_conf; struct wl_iface; struct wl_priv; struct wl_security; struct wl_ibss; #define htod32(i) i #define htod16(i) i #define dtoh32(i) i #define dtoh16(i) i #define htodchanspec(i) i #define dtohchanspec(i) i #define WL_DBG_NONE 0 #define WL_DBG_DBG (1 << 2) #define WL_DBG_INFO (1 << 1) #define WL_DBG_ERR (1 << 0) #define WL_DBG_MASK ((WL_DBG_DBG | WL_DBG_INFO | WL_DBG_ERR) << 1) /* 0 invalidates all debug messages. default is 1 */ #define WL_DBG_LEVEL 0xFF #define WL_ERR(args) \ do { \ if (wl_dbg_level & WL_DBG_ERR) { \ printk(KERN_ERR "CFG80211-ERROR) %s : ", __func__); \ printk args; \ } \ } while (0) #define WL_INFO(args) \ do { \ if (wl_dbg_level & WL_DBG_INFO) { \ printk(KERN_ERR "CFG80211-INFO) %s : ", __func__); \ printk args; \ } \ } while (0) #if (WL_DBG_LEVEL > 0) #define WL_DBG(args) \ do { \ if (wl_dbg_level & WL_DBG_DBG) { \ printk(KERN_ERR "CFG80211-DEBUG) %s :", __func__); \ printk args; \ } \ } while (0) #else /* !(WL_DBG_LEVEL > 0) */ #define WL_DBG(args) #endif /* (WL_DBG_LEVEL > 0) */ #define WL_SCAN_RETRY_MAX 3 /* used for ibss scan */ #define WL_NUM_SCAN_MAX 1 #define WL_NUM_PMKIDS_MAX MAXPMKID /* will be used * for 2.6.33 kernel * or later */ #define WL_SCAN_BUF_MAX (1024 * 8) #define WL_TLV_INFO_MAX 1024 #define WL_SCAN_IE_LEN_MAX 2048 #define WL_BSS_INFO_MAX 2048 #define WL_ASSOC_INFO_MAX 512 /* * needs to grab assoc info from dongle to * report it to cfg80211 through "connect" * event */ #define WL_IOCTL_LEN_MAX 1024 #define WL_EXTRA_BUF_MAX 2048 #define WL_ISCAN_BUF_MAX 2048 /* * the buf lengh can be WLC_IOCTL_MAXLEN (8K) * to reduce iteration */ #define WL_ISCAN_TIMER_INTERVAL_MS 3000 #define WL_SCAN_ERSULTS_LAST (WL_SCAN_RESULTS_NO_MEM+1) #define WL_AP_MAX 256 /* virtually unlimitted as long * as kernel memory allows */ #define WL_FILE_NAME_MAX 256 #define WL_DWELL_TIME 200 #define VWDEV_CNT 3 /* dongle status */ enum wl_status { WL_STATUS_READY = 0, WL_STATUS_SCANNING, WL_STATUS_SCAN_ABORTING, WL_STATUS_CONNECTING, WL_STATUS_CONNECTED, WL_STATUS_AP_CREATING, WL_STATUS_AP_CREATED }; /* wi-fi mode */ enum wl_mode { WL_MODE_BSS, WL_MODE_IBSS, WL_MODE_AP }; /* dongle profile list */ enum wl_prof_list { WL_PROF_MODE, WL_PROF_SSID, WL_PROF_SEC, WL_PROF_IBSS, WL_PROF_BAND, WL_PROF_BSSID, WL_PROF_ACT, WL_PROF_BEACONINT, WL_PROF_DTIMPERIOD }; /* dongle iscan state */ enum wl_iscan_state { WL_ISCAN_STATE_IDLE, WL_ISCAN_STATE_SCANING }; /* donlge escan state */ enum wl_escan_state { WL_ESCAN_STATE_IDLE, WL_ESCAN_STATE_SCANING }; /* fw downloading status */ enum wl_fw_status { WL_FW_LOADING_DONE, WL_NVRAM_LOADING_DONE }; /* beacon / probe_response */ struct beacon_proberesp { __le64 timestamp; __le16 beacon_int; __le16 capab_info; u8 variable[0]; } __attribute__ ((packed)); /* dongle configuration */ struct wl_conf { struct net_mode { struct net_device *ndev; s32 type; } mode [VWDEV_CNT + 1]; /* adhoc , infrastructure or ap */ u32 frag_threshold; u32 rts_threshold; u32 retry_short; u32 retry_long; s32 tx_power; struct ieee80211_channel channel; }; typedef s32(*EVENT_HANDLER) (struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); /* representing interface of cfg80211 plane */ struct wl_iface { struct wl_priv *wl; }; struct wl_dev { void *driver_data; /* to store cfg80211 object information */ }; /* bss inform structure for cfg80211 interface */ struct wl_cfg80211_bss_info { u16 band; u16 channel; s16 rssi; u16 frame_len; u8 frame_buf[1]; }; /* basic structure of scan request */ struct wl_scan_req { struct wlc_ssid ssid; }; /* basic structure of information element */ struct wl_ie { u16 offset; u8 buf[WL_TLV_INFO_MAX]; }; /* event queue for cfg80211 main event */ struct wl_event_q { struct list_head eq_list; u32 etype; wl_event_msg_t emsg; s8 edata[1]; }; /* security information with currently associated ap */ struct wl_security { u32 wpa_versions; u32 auth_type; u32 cipher_pairwise; u32 cipher_group; u32 wpa_auth; }; /* ibss information for currently joined ibss network */ struct wl_ibss { u8 beacon_interval; /* in millisecond */ u8 atim; /* in millisecond */ s8 join_only; u8 band; u8 channel; }; /* dongle profile */ struct wl_profile { u32 mode; struct wlc_ssid ssid; u8 bssid[ETHER_ADDR_LEN]; u16 beacon_interval; u8 dtim_period; struct wl_security sec; struct wl_ibss ibss; s32 band; bool active; }; typedef s32(*ISCAN_HANDLER) (struct wl_priv *wl); /* dongle iscan controller */ struct wl_iscan_ctrl { struct net_device *dev; struct timer_list timer; u32 timer_ms; u32 timer_on; s32 state; struct task_struct *tsk; struct semaphore sync; ISCAN_HANDLER iscan_handler[WL_SCAN_ERSULTS_LAST]; void *data; s8 ioctl_buf[WLC_IOCTL_SMLEN]; s8 scan_buf[WL_ISCAN_BUF_MAX]; }; /* association inform */ struct wl_connect_info { u8 *req_ie; s32 req_ie_len; u8 *resp_ie; s32 resp_ie_len; }; /* firmware /nvram downloading controller */ struct wl_fw_ctrl { const struct firmware *fw_entry; unsigned long status; u32 ptr; s8 fw_name[WL_FILE_NAME_MAX]; s8 nvram_name[WL_FILE_NAME_MAX]; }; /* assoc ie length */ struct wl_assoc_ielen { u32 req_len; u32 resp_len; }; /* wpa2 pmk list */ struct wl_pmk_list { pmkid_list_t pmkids; pmkid_t foo[MAXPMKID - 1]; }; #define ESCAN_BUF_SIZE (64 * 1024) struct escan_info { u32 escan_state; u8 escan_buf[ESCAN_BUF_SIZE]; struct wiphy *wiphy; }; struct ap_info { /* Structure to hold WPS, WPA IEs for a AP */ u8 probe_res_ie[IE_MAX_LEN]; u8 beacon_ie[IE_MAX_LEN]; u32 probe_res_ie_len; u32 beacon_ie_len; u8 *wpa_ie; u8 *rsn_ie; u8 *wps_ie; bool security_mode; }; /* dongle private data of cfg80211 interface */ struct wl_priv { struct wireless_dev *wdev; /* representing wl cfg80211 device */ struct wireless_dev *vwdev[VWDEV_CNT]; struct wl_conf *conf; /* dongle configuration */ struct cfg80211_scan_request *scan_request; /* scan request object */ EVENT_HANDLER evt_handler[WLC_E_LAST]; struct list_head eq_list; /* used for event queue */ spinlock_t eq_lock; /* for event queue synchronization */ struct mutex usr_sync; /* maily for dongle up/down synchronization */ struct wl_scan_results *bss_list; struct wl_scan_results *scan_results; /* scan request object for internal purpose */ struct wl_scan_req *scan_req_int; /* bss information for cfg80211 layer */ struct wl_cfg80211_bss_info *bss_info; /* information element object for internal purpose */ struct wl_ie ie; u8 scan_ie_buf[2048]; int scan_ie_len; struct ether_addr bssid; /* bssid of currently engaged network */ /* for synchronization of main event thread */ struct semaphore event_sync; struct wl_profile *profile; /* holding dongle profile */ struct wl_iscan_ctrl *iscan; /* iscan controller */ /* association information container */ struct wl_connect_info conn_info; /* control firwmare and nvram paramter downloading */ struct wl_fw_ctrl *fw; struct wl_pmk_list *pmk_list; /* wpa2 pmk list */ struct task_struct *event_tsk; /* task of main event handler thread */ unsigned long status; /* current dongle status */ void *pub; u32 channel; /* current channel */ bool iscan_on; /* iscan on/off switch */ bool iscan_kickstart; /* indicate iscan already started */ bool escan_on; /* escan on/off switch */ struct escan_info escan_info; /* escan information */ bool active_scan; /* current scan mode */ bool ibss_starter; /* indicates this sta is ibss starter */ bool link_up; /* link/connection up flag */ /* indicate whether dongle to support power save mode */ bool pwr_save; bool dongle_up; /* indicate whether dongle up or not */ bool roam_on; /* on/off switch for dongle self-roaming */ bool scan_tried; /* indicates if first scan attempted */ u8 *ioctl_buf; /* ioctl buffer */ u8 *escan_ioctl_buf; u8 *extra_buf; /* maily to grab assoc information */ struct dentry *debugfsdir; struct rfkill *rfkill; bool rf_blocked; struct ieee80211_channel remain_on_chan; enum nl80211_channel_type remain_on_chan_type; u64 cache_cookie; wait_queue_head_t dongle_event_wait; struct ap_info *ap_info; struct p2p_info *p2p; bool p2p_supported; s8 last_eventmask[WL_EVENTING_MASK_LEN]; u8 ci[0] __attribute__ ((__aligned__(NETDEV_ALIGN))); }; #define wl_to_dev(w) (wiphy_dev(wl->wdev->wiphy)) #define wl_to_wiphy(w) (w->wdev->wiphy) #define wiphy_to_wl(w) ((struct wl_priv *)(wiphy_priv(w))) #define wl_to_wdev(w) (w->wdev) #define wdev_to_wl(w) ((struct wl_priv *)(wdev_priv(w))) #define wl_to_prmry_ndev(w) (w->wdev->netdev) #define ndev_to_wl(n) (wdev_to_wl(n->ieee80211_ptr)) #define ci_to_wl(c) (ci->wl) #define wl_to_ci(w) (&w->ci) #define wl_to_sr(w) (w->scan_req_int) #define wl_to_ie(w) (&w->ie) #define iscan_to_wl(i) ((struct wl_priv *)(i->data)) #define wl_to_iscan(w) (w->iscan) #define wl_to_conn(w) (&w->conn_info) #define wiphy_from_scan(w) (w->escan_info.wiphy) #define wl_get_drv_status(wl, stat) (test_bit(WL_STATUS_ ## stat, &(wl)->status)) #define wl_set_drv_status(wl, stat) (set_bit(WL_STATUS_ ## stat, &(wl)->status)) #define wl_clr_drv_status(wl, stat) (clear_bit(WL_STATUS_ ## stat, &(wl)->status)) #define wl_chg_drv_status(wl, stat) (change_bit(WL_STATUS_ ## stat, &(wl)->status)) static inline struct wl_bss_info *next_bss(struct wl_scan_results *list, struct wl_bss_info *bss) { return bss = bss ? (struct wl_bss_info *)((uintptr) bss + dtoh32(bss->length)) : list->bss_info; } static inline s32 alloc_idx_vwdev(struct wl_priv *wl) { s32 i = 0; for (i = 0; i < VWDEV_CNT; i++) { if (wl->vwdev[i] == NULL) return i; } return -1; } static inline s32 get_idx_vwdev_by_netdev(struct wl_priv *wl, struct net_device *ndev) { s32 i = 0; for (i = 0; i < VWDEV_CNT; i++) { if ((wl->vwdev[i] != NULL) && (wl->vwdev[i]->netdev == ndev)) return i; } return -1; } static inline s32 get_mode_by_netdev(struct wl_priv *wl, struct net_device *ndev) { s32 i = 0; for (i = 0; i <= VWDEV_CNT; i++) { if (wl->conf->mode[i].ndev != NULL && (wl->conf->mode[i].ndev == ndev)) return wl->conf->mode[i].type; } return -1; } static inline void set_mode_by_netdev(struct wl_priv *wl, struct net_device *ndev, s32 type) { s32 i = 0; for (i = 0; i <= VWDEV_CNT; i++) { if (type == -1) { /* free the info of netdev */ if (wl->conf->mode[i].ndev == ndev) { wl->conf->mode[i].ndev = NULL; wl->conf->mode[i].type = -1; break; } } else { if ((wl->conf->mode[i].ndev != NULL)&& (wl->conf->mode[i].ndev == ndev)) { /* update type of ndev */ wl->conf->mode[i].type = type; break; } else if ((wl->conf->mode[i].ndev == NULL)&& (wl->conf->mode[i].type == -1)) { wl->conf->mode[i].ndev = ndev; wl->conf->mode[i].type = type; break; } } } } #define free_vwdev_by_index(wl, __i) do { \ if (wl->vwdev[__i] != NULL) \ kfree(wl->vwdev[__i]); \ wl->vwdev[__i] = NULL; \ } while (0) #define for_each_bss(list, bss, __i) \ for (__i = 0; __i < list->count && __i < WL_AP_MAX; __i++, bss = next_bss(list, bss)) /* In case of WPS from wpa_supplicant, pairwise siute and group suite is 0. * In addtion to that, wpa_version is WPA_VERSION_1 */ #define is_wps_conn(_sme) \ ((_sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) && \ (!_sme->crypto.n_ciphers_pairwise) && \ (!_sme->crypto.cipher_group)) extern s32 wl_cfg80211_attach(struct net_device *ndev, void *data); extern s32 wl_cfg80211_attach_post(struct net_device *ndev); extern void wl_cfg80211_detach(void); /* event handler from dongle */ extern void wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t *e, void *data); extern void wl_cfg80211_set_sdio_func(void *func); /* set sdio function info */ extern struct sdio_func *wl_cfg80211_get_sdio_func(void); /* set sdio function info */ extern s32 wl_cfg80211_up(void); /* dongle up */ extern s32 wl_cfg80211_down(void); /* dongle down */ extern s32 wl_cfg80211_notify_ifadd(struct net_device *net, s32 idx, int (*_net_attach)(dhd_pub_t *dhdp, int ifidx)); extern s32 wl_cfg80211_ifdel_ops(struct net_device *net); extern s32 wl_cfg80211_notify_ifdel(struct net_device *net); extern s32 wl_cfg80211_is_progress_ifadd(void); extern s32 wl_cfg80211_is_progress_ifchange(void); extern s32 wl_cfg80211_is_progress_ifadd(void); extern s32 wl_cfg80211_notify_ifchange(void); extern void wl_cfg80211_dbg_level(u32 level); extern void *wl_cfg80211_request_fw(s8 *file_name); extern s32 wl_cfg80211_read_fw(s8 *buf, u32 size); extern void wl_cfg80211_release_fw(void); extern s8 *wl_cfg80211_get_fwname(void); extern s8 *wl_cfg80211_get_nvramname(void); extern s32 wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr); #ifdef CONFIG_SYSCTL extern s32 wl_cfg80211_sysctl_export_devaddr(void *data); #endif /* do scan abort */ extern s32 wl_cfg80211_scan_abort(struct wl_priv *wl, struct net_device *ndev); extern s32 wl_cfg80211_if_is_group_owner(void); #endif /* _wl_cfg80211_h_ */